Chicago Backflow
Safe-guarding your drinking water

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Focused on Backflow

Each and every time you schedule your backflow test and certification with Chicago Backflow, rest assured that your inspection will be completed by a fully licensed backflow inspector that ONLY tests, certifies, and repairs backflow preventers.

Schedule Your All-Inclusive Service

Give us a call, to get started.

  • 866.222.5356

Excellent Customer Experience

We understand annual backflow tests only happen once a year or the backflow emergency at 9pm after hours. During these times, you need professionalism. You need backflow expertise. You need fast, 24/7 service. During those times, you need peace of mind. Choosing CBI, ensures you get everything you need and more. Our inspectors only job is the testing and maintenance of backflow preventers, making them the best in the business. Their individual experience and skill enable them to get in, get the job done, and get out, leaving you with more time and money to get on with your day. 

On-Time Appointments

Full 1 Year Warranty

State/Local Compliance


Our specialty is the installation and certification of all types of backflow prevention assemblies, ranging in size from 1/4 inch through 12 inch.